- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 3/26 - Impregnating
Patent holdings for IPC class B22F 3/26
Total number of patents in this class: 245
10-year publication summary
|
27
|
28
|
25
|
22
|
15
|
15
|
15
|
12
|
11
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meidensha Corporation | 880 |
15 |
| NTN Corporation | 4984 |
6 |
| Desktop Metal, Inc. | 285 |
6 |
| JFE Precision Corporation | 13 |
5 |
| Halliburton Energy Services, Inc. | 20835 |
4 |
| LG Chem, Ltd. | 17594 |
4 |
| Honeywell International Inc. | 13522 |
4 |
| Mitsubishi Electric Corporation | 45946 |
4 |
| Henkel AG & Co. KGaA | 10525 |
4 |
| Advanced Composite Corporation | 14 |
4 |
| Proterial, Ltd. | 832 |
4 |
| General Electric Company | 13829 |
3 |
| Canon Inc. | 39660 |
3 |
| Nichia Corporation | 3694 |
3 |
| Ablestik (Shanghai) Ltd. | 46 |
3 |
| Consolidated Nuclear Security, LLC | 125 |
3 |
| Denka Company Limited | 2561 |
3 |
| F.a.r.-fonderie Acciaierie Roiale - SpA | 11 |
3 |
| Materion Corporation | 309 |
3 |
| Senju Metal Industry Co., Ltd. | 679 |
3 |
| Other owners | 158 |